EP1571113B1 - Aufzugseinrichtung - Google Patents

Aufzugseinrichtung Download PDF

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Publication number
EP1571113B1
EP1571113B1 EP02808099A EP02808099A EP1571113B1 EP 1571113 B1 EP1571113 B1 EP 1571113B1 EP 02808099 A EP02808099 A EP 02808099A EP 02808099 A EP02808099 A EP 02808099A EP 1571113 B1 EP1571113 B1 EP 1571113B1
Authority
EP
European Patent Office
Prior art keywords
driving machine
disposed
hoistway
supporting beams
control board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP02808099A
Other languages
English (en)
French (fr)
Other versions
EP1571113A4 (de
EP1571113A1 (de
Inventor
Shigeki Mitsubishi Denki K. K. YAMAKAWA
Susumu Mitsubishi Denki K. K. MORITA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1571113A1 publication Critical patent/EP1571113A1/de
Publication of EP1571113A4 publication Critical patent/EP1571113A4/de
Application granted granted Critical
Publication of EP1571113B1 publication Critical patent/EP1571113B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals

Definitions

  • the present invention relates to an elevator apparatus in which a driving machine for raising and lowering a car and a counterweight is disposed in an upper portion inside a hoistway.
  • a driving machine is secured to a mounting beam secured to a top portion inside a hoistway.
  • the mounting beam is secured to a wall portion or a ceiling portion of the hoistway.
  • the driving machine has a drive sheave, and a car and a counterweight are suspended by a main rope wound around the drive sheave.
  • Document JP 2001/089051 A discloses an elevator according to the preamble of present claim 1. Further state of the art are FR 1 338 648 A and US 2001/045329 A1 .
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus enabling a car to be suspended centrally by an upper portion thereof, and also enabling a layout to be simplified.
  • an elevator apparatus including a hoistway; a driving machine having a rotatable drive sheave disposed in an upper portion inside the hoistway; a rotatable deflection sheave disposed in an upper portion inside the hoistway; a main rope wound around the drive sheave and the deflection sheave; and a car and a counterweight suspended inside the hoistway by the main rope and raised and lowered by a driving force from the driving machine, wherein a pair of supporting beams are secured at a distance from each other in an upper portion inside the hoistway; a machine base for supporting the driving machine and the deflection sheave is secured on the supporting beams; and the driving machine is disposed on a lower portion of the machine base so as to be positioned between the supporting beams.
  • Figure 1 is a perspective showing an elevator apparatus according to Embodiment 1 of the present invention
  • Figure 2 is a plan showing the elevator apparatus in Figure 1 .
  • a pair of supporting beams 2 extending horizontally in a depth direction of a hoistway 1(left-to-right in Figure 2 ) are secured in an upper portion inside the hoistway 1 so as to be spaced parallel to each other.
  • a plurality of beam bearing portions 1b for supporting first and second end portions of the supporting beams 2 are disposed on wall portions 1a of the hoistway 1.
  • the beam bearing portions 1b project outward from the wall portions 1a, and the first and second end portions of the supporting beams 2 are secured to upper surfaces of the beam bearing portions 1b.
  • a machine base 3 is secured on the supporting beams 2.
  • the machine base 3 has: a pair of short frames 4 disposed at a distance from each other in a longitudinal direction of the supporting beams 2 so as to span the supporting beams 2; and a pair of long frames 5 secured between these short frames 4 so as to extend parallel to the supporting beams 2.
  • a driving machine (a hoisting machine) 6 is supported by the machine base 3.
  • the driving machine 6 has: a driving machine main body 7 including a motor and a brake portion; and a drive sheave 8 rotated by the driving machine main body 7.
  • the driving machine 6 is disposed on a lower portion of the machine base 3 so as to be positioned between the supporting beams 2. Specifically, the driving machine main body 7 is secured to lower surfaces of the long frames 5. A lower extremity portion of the driving machine 6 is positioned lower than the supporting beams 2.
  • a rotatable deflection sheave 9 is also supported by the machine base 3.
  • the deflection sheave 9 is disposed on an upper side of the machine base 3 so as to be positioned diagonally above the drive sheave 8.
  • a plurality of vibration isolating members 10 (rubber vibration isolators, for example) for reducing vibrations from the driving machine 6 from propagating to the supporting beams 2 are interposed between the supporting beams 2 and the machine base 3.
  • a plurality of main ropes 11 are wound around the drive sheave 8 and the deflection sheave 9 by a double-wrap method (a full-wrap method).
  • a car 12 is suspended by first end portions of the main ropes 11.
  • a counterweight 13 is suspended by second end portions of the main ropes 11. In other words, the car 12 and the counterweight 13 are suspended inside the hoistway 1 using a one-to-one (1:1) roping method.
  • a pair of car guide rails 14 for guiding raising and lowering of the car 12 and a pair of counterweight guide rails 15 for guiding raising and lowering of the counterweight 13 are installed inside the hoistway 1.
  • a control board 16 for controlling activation of the driving machine 6 is mounted to one of the car guide rails 14.
  • a driving machine maintenance space and a control board maintenance space for performing maintenance work on the driving machine 6 and the control board 16 are secured in a vicinity of the driving machine 6 and the control board 16, respectively.
  • the control board 16 is disposed such that the control board maintenance space is positioned in a position that is lower than the driving machine maintenance space.
  • Figure 3 is a side elevation showing a state during maintenance work on an elevator apparatus similar to that in Figure 1 .
  • maintenance personnel ride on top of the car 12 and perform maintenance work on the driving machine 6 from on top of the car 12.
  • Maintenance work on the control board 16 is performed from on top of the car 12 by lowering the car 12 slightly from the position shown in Figure 3 .
  • an elevator apparatus of this kind that is, a machine-roomless elevator
  • a pair of supporting beams 2 are secured to an upper portion inside the hoistway 1
  • a machine base 3 for supporting a driving machine 6 and a deflection sheave 9 is secured to the supporting beams 2
  • a driving machine 6 is disposed on a lower portion of the machine base 3 so as to be positioned between the supporting beams 2
  • the driving machine 6 can be disposed generally centrally in the hoistway 1 in a vertical plane of projection, enabling the car 12 to be suspended centrally by a upper portion thereof. Consequently, it is not necessary to dispose suspension sheaves on a lower portion of the car 12, enabling the arranged pathway of the main ropes 11 to be made shorter, and also enabling an overall layout to be simplified.
  • the supporting beams 2 can be supported more stably. Furthermore, the strength of the guide rails 14 and 15 can be reduced compared to when the supporting beams 2 are supported by the car guide rails 14 and the counterweight guide rails 15, and a degree of freedom in the layout of the supporting beams 2 and the guide rails 14 and 15 can be increased.
  • the total contact angle of the main ropes 11 on the drive sheave 8 can be made greater than or equal to 180 degrees, enabling sufficient traction capacity to be ensured.
  • the driving machine 6 is disposed on a lower portion of the machine base 3, and a lower extremity portion of the driving machine 6 is positioned lower than the supporting beams 2, maintenance work on the driving machine 6 can be performed easily from on top of the car 12, as shown in Figure 3 .
  • the deflection sheave 9 is disposed on an upper side of the machine base 3 so as to be positioned diagonally above the drive sheave 8, even if the drive sheave 8 and the deflection sheave 9 are disposed in close proximity, and the diameters thereof are large, as shown in Figure 3 , the drive sheave 8 and the deflection sheave 9 can be disposed easily without interfering with each other, enabling the car 12 to be suspended centrally by an upper portion thereof.
  • control board 16 is disposed at the same height as the driving machine 6, both the control board maintenance space and the driving machine maintenance space must be secured at the same height, making disposal in a narrow hoistway 1 difficult, but because this control board 16 is disposed in a position that is lower than the driving machine 6 so that the control board maintenance space does not interfere with the driving machine maintenance space, the control board maintenance space and the driving machine maintenance space can be secured easily.
  • FIG. 4 is a perspective showing an elevator apparatus according to Embodiment 2 of the present invention.
  • a rotatable car suspension sheave 21 around which main ropes 11 are wound is disposed centrally on an upper portion of a car 12.
  • a rotatable counterweight suspension sheave 22 around which the main ropes 11 are wound is disposed on an upper portion of a counterweight 13.
  • a rope connecting beam 23 extending parallel to supporting beams 2 is secured to an upper portion inside a hoistway 1.
  • the rope connecting beam 23 may be secured to beam bearing portions 1b (see Figure 1 ) in a similar manner to the supporting beams 2, or may also be secured to the supporting beams 2.
  • First end portions of the main ropes 11 are connected to the rope connecting beam 23 by means of car rope fasteners 24.
  • Second end portions of the main ropes 11 are connected to the rope connecting beam 23 by means of counterweight rope fasteners 25.
  • the rope connecting beam 23 may also be omitted, the first and second end portions of the main ropes 11 instead being connected to the supporting beams 2 or the machine base 3.
  • the main ropes 11 are wound in sequence from the first end portion, around the car suspension sheave 21, the drive sheave 8, the deflection sheave 9, the drive sheave 8, the deflection sheave 9, and the counterweight suspension sheave 22 to the second end portion.
  • the car 12 and the counterweight 13 are suspended inside the hoistway 1 using a two-to-one (2:1) roping method.
  • the rest of the construction is similar to that of Embodiment 1.
  • the driving machine 6 can also be disposed generally centrally in the hoistway 1 in a vertical plane of projection, enabling the car 12 to be suspended centrally by a upper portion thereof.
  • the number of the car suspension sheaves 21 can be reduced, and the arranged pathway of the main ropes 11 can be made shorter, enabling an overall layout to be simplified.
  • beam bearing portions 1b that project outward from wall portions 1a of a hoistway 1 are shown, but the beam bearing portions may also be recess portions.
  • a construction may also be employed in which end portions of the supporting beams 2 are embedded in the wall portions la.
  • the supporting beams 2 it is also possible for the supporting beams 2 to be supported by one or more of the car guide rails or the counterweight guide rails.
  • a deflection sheave 9 is disposed diagonally above a drive sheave 8, but the deflection sheave may also be disposed diagonally below the drive sheave instead, enabling the total contact angle of the main ropes on the drive sheave to be further increased.
  • the drive sheave and the deflection sheave may also be disposed at the same height as each other provided that the drive sheave and the deflection sheave can be disposed without interfering with each other.
  • a driving machine 6 is disposed centrally in a hoistway 1, but a deflection sheave may also be disposed centrally in the hoistway 1, similarly enabling a car 12 to be suspended centrally by an upper portion thereof.
  • elevator apparatuses in which a counterweight 13 is disposed behind a car 12 are shown, but the present invention can also be applied to elevator apparatuses in which a counterweight 13 is disposed beside a car 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (6)

  1. Aufzugvorrichtung, umfassend:
    einen Schacht (1),
    eine Antriebsmaschine (6) mit einer drehbaren Antriebsscheibe (8), die in einem oberen Abschnitt innerhalb des Schachts (1) angeordnet ist,
    eine in einem oberen Abschnitt innerhalb des Schachts (1) angeordnete, drehbare Umlenkscheibe (9),
    ein Hauptseil (11), und
    eine Kabine (12) und ein Gegengewicht (13), die durch das Hauptseil (11) innerhalb des Schachts aufgehängt sind und durch eine Antriebskraft von der Antriebsmaschine (6) angehoben und abgesenkt werden,
    wobei ein Paar Stützbalken (2) in einem Abstand voneinander in einem oberen Abschnitt innerhalb des Schachts (1) gesichert ist,
    eine Maschinenbasis (3) zum Stützen der Antriebsmaschine (6) und der Umlenkscheibe (9) an den Stützbalken (2) gesichert ist, und dadurch gekennzeichnet, dass das Hauptseil (11) um die Antriebsscheibe (8) und die Umlenkscheibe (9) gewunden ist, und dadurch, dass
    die Antriebsmaschine (6) an einem unteren Abschnitt der Maschinenbasis (3) so angeordnet ist, dass sie zwischen den Stützbalken (2) positioniert ist, damit ein Teil der Antriebsmaschine (6) in der gleichen Höhe wie die Stützbalken (2) angeordnet ist.
  2. Aufzugvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass eine Vielzahl von Balkentragabschnitten (1b) zum Stützen eines ersten und zweiten Endabschnitts der Stützbalken (2) an einem Wandabschnitt des Schachts (1) angeordnet sind.
  3. Aufzugvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Hauptseil (11) in einem Doppelwickel-Verfahren um die Antriebsscheibe (8) und um die Umlenkscheibe (9) gewunden ist.
  4. Aufzugvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass ein unterer Extremitätenabschnitt der Antriebsmaschine (6) niedriger gelegen ist als die Stützbalken (2).
  5. Aufzugvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Umlenkscheibe (9) an einer oberen Seite der Maschinenbasis (3) angeordnet ist, damit sie diagonal oberhalb der Antriebsscheibe (8) positioniert ist.
  6. Aufzugvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass:
    ein Steuerpaneel (16) zum Steuern der Antriebsmaschine (6) innerhalb des Schachts (1) angeordnet ist,
    ein Antriebsmaschinen-Wartungsraum und ein Steuerpaneel-Wartungsraum zum Durchführen einer Wartungsarbeit an der Antriebsmaschine (6) und dem Steuerpaneel (16) in einer Nähe der Antriebsmaschine (6) und des Steuerpaneels (16) gesichert sind, und
    das Steuerpaneel (16) derart angeordnet ist, dass der Steuerpaneel-Wartungsraum in einer Position gelegen ist, die niedriger ist als der Antriebsmaschinen-Wartungsraum.
EP02808099A 2002-11-07 2002-11-07 Aufzugseinrichtung Expired - Fee Related EP1571113B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/011614 WO2004041703A1 (ja) 2002-11-07 2002-11-07 エレベータ装置

Publications (3)

Publication Number Publication Date
EP1571113A1 EP1571113A1 (de) 2005-09-07
EP1571113A4 EP1571113A4 (de) 2009-02-25
EP1571113B1 true EP1571113B1 (de) 2010-10-27

Family

ID=32310235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02808099A Expired - Fee Related EP1571113B1 (de) 2002-11-07 2002-11-07 Aufzugseinrichtung

Country Status (5)

Country Link
EP (1) EP1571113B1 (de)
JP (1) JPWO2004041703A1 (de)
KR (1) KR20040068178A (de)
DE (1) DE60238146D1 (de)
WO (1) WO2004041703A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11104549B2 (en) 2015-11-25 2021-08-31 Otis Elevator Company Machine mounting structure for elevator system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005000138U1 (de) * 2004-12-16 2005-03-24 Feierabend Stefan Aufzug
JP4834317B2 (ja) * 2005-03-16 2011-12-14 東芝エレベータ株式会社 エレベータの交換方法
CN101837920A (zh) * 2010-05-24 2010-09-22 江南嘉捷电梯股份有限公司 电梯上曳引机支撑梁结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1338648A (fr) * 1962-10-23 1963-09-27 Express Lift Co Ltd Installation d'ascenseur
FI92182C (fi) * 1992-07-07 1994-10-10 Kone Oy Vetopyörähissi
FI98210C (fi) * 1993-06-28 1997-05-12 Kone Oy Järjestely hissikoneiston liittämiseksi rakennukseen
JPH1077171A (ja) * 1996-09-04 1998-03-24 Toshiba Corp エレベータ用巻上装置
US6478117B2 (en) * 1998-10-30 2002-11-12 Otis Elevator Company Elevator system having governor positioned under controller in hoistway at top floor level
JP4404999B2 (ja) * 1999-08-16 2010-01-27 三菱電機株式会社 エレベータ装置
JP2001089051A (ja) * 1999-09-17 2001-04-03 Hitachi Ltd エレベータ
JP2001097649A (ja) * 1999-09-29 2001-04-10 Mitsubishi Electric Corp エレベーター装置
CN1285498C (zh) * 1999-12-06 2006-11-22 三菱电机株式会社 电梯装置
US6446763B1 (en) * 2000-07-19 2002-09-10 Otis Elevator Company Integrated elevator installation hoist tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11104549B2 (en) 2015-11-25 2021-08-31 Otis Elevator Company Machine mounting structure for elevator system

Also Published As

Publication number Publication date
JPWO2004041703A1 (ja) 2006-03-09
EP1571113A4 (de) 2009-02-25
WO2004041703A1 (ja) 2004-05-21
KR20040068178A (ko) 2004-07-30
EP1571113A1 (de) 2005-09-07
DE60238146D1 (de) 2010-12-09

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